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73008097 = 156746591
BaseRepresentation
bin1000101101000…
…00001111100001
312002101012021121
410112200033201
5122142224342
611124452241
71544362411
oct426401741
9162335247
1073008097
1138236078
122054a081
1312182a76
1499a6641
156622067
hex45a03e1

73008097 has 4 divisors (see below), whose sum is σ = 73056256. Its totient is φ = 72959940.

The previous prime is 73008079. The next prime is 73008101. The reversal of 73008097 is 79080037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79080037 = 223354619.

It is a cyclic number.

It is not a de Polignac number, because 73008097 - 211 = 73006049 is a prime.

It is a super-2 number, since 2×730080972 = 10660364455122818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73008077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21729 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (18264064).

Almost surely, 273008097 is an apocalyptic number.

It is an amenable number.

73008097 is a deficient number, since it is larger than the sum of its proper divisors (48159).

73008097 is a wasteful number, since it uses less digits than its factorization.

73008097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48158.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 73008097 is about 8544.4775732633. The cubic root of 73008097 is about 417.9493711716.

The spelling of 73008097 in words is "seventy-three million, eight thousand, ninety-seven".

Divisors: 1 1567 46591 73008097